Memoi Kids Mid Cut Socks are Model MK-556 and come in a 3 pack. These Memoi mid cut socks come up about 3/4 inch above the ankle and don't rollover. They are meant to show when worn with a shoe. The mid cut socks have a thin and dainty look to them. The sock size is sewn into the knit of the socks. They run pretty true to size. 75% Cotton, 22% Polyester, 3% Spandex.